Colouring and coating agents such as iron oxide and other metallic compounds.

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The float process

The basic principle of the float glass process is to mix the raw materials, melt them in the furnace and pour the molten glass onto a bath of molten tin. The combustion in the furnace uses air and natural gas. The glass solidifies as it floats on the tin bath. Sometimes coatings can be applied on the glass at the end or just after the tin bath. Subsequently, the glass ribbon passes on to an annealing zone where it cools down gradually while being carried on rollers. At the end of the annealing zone the glass is cut into sheets.

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Further processing

Depending on the situation, the glass can be processed into other products. For example: